ACDelco Professional Conventional Spark Plug (Pack of 1) R85TS Fits select: 1966-1973 FORD MUSTANG, 1966-1969 FORD BRONCO

ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.

ACDelco Conventional Spark Plug, R85TS: Copper-core center electrode helps improve heat transfer to plug tip for reliable spark and improved resistance to low-speed carbon fouling Nickel-chrome alloy ground electrode and center electrode sheathing resist wear from spark erosion and corrosive combustion chamber environment Precisely engineered and manufactured to provide everyday efficient performance Hot-tip insulator heats fast and fires hot delivering consistent combustion